he met jerry sandusky, after he was invited to join a free summer camp in pennsylvania, run by the local legend. >> he just seemed like the all-natural father figure. >> reporter: sandusky took a liking to aaron, bringing him to sporting events, sleepovers at sandusky's house. terrible things are going on. >> uh-huh. >> reporter: just you and him, right? >> in the basement, yes. >> reporter: and he says he wasn't safe at school either. sandusky, who volunteered as a football coach there, began regularly pulling him out of class to see him. >> the one place i thought i could feel safe and it's just completely shattered. >> reporter: but you weren't able to say -- >> no. >> reporter: -- this guy is a monster, he's sexually assaulting me. >> couldn't do it. >> reporter: why? >> embarrassment. fear of not being believed. >> reporter: finally, when he was 15, he told the school principal about the abuse. his mother says, in that principal's office, her son was betrayed again. >> they tell me to go home and think about it.